3406215 has 8 divisors (see below), whose sum is σ = 5449968. Its totient is φ = 1816640.

The previous prime is 3406189. The next prime is 3406217. The reversal of 3406215 is 5126043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3406215 - 2⁷ = 3406087 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3406191 and 3406200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113526 + ... + 113555.

It is an arithmetic number, because the mean of its divisors is an integer number (681246).

Almost surely, 2^3406215 is an apocalyptic number.

3406215 is a deficient number, since it is larger than the sum of its proper divisors (2043753).

3406215 is a wasteful number, since it uses less digits than its factorization.

3406215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227089.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3406215 is about 1845.5934005084. The cubic root of 3406215 is about 150.4610260261.

It can be divided in two parts, 340 and 6215, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 3406215 in words is "three million, four hundred six thousand, two hundred fifteen".